/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/NiagaraScriptSource.h
Allows the derived editor only script source to handle a post load requested by an owning emitter.
virtual void PostLoadFromEmitter ( [FVersionedNiagaraEmitter](API\Plugins\Niagara\FVersionedNiagaraEmitter) OwningEmitter )